SimpleCurve.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2001-2002 Vivid Solutions Inc.
 * Copyright (C) 2005 2006 Refractions Research Inc.
 * Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
 * Copyright (C) 2024 ISciences, LLC
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation.
 * See the COPYING file for more information.
 *
 **********************************************************************/
 
#pragma once
 
#include <geos/geom/Curve.h>
#include <geos/geom/Geometry.h>
 
namespace geos {
namespace geom {
 
class GEOS_DLL SimpleCurve : public Curve {
public:
 
    using Curve::apply_ro;
    using Curve::apply_rw;
 
    void apply_ro(CoordinateFilter* filter) const override;
 
    void apply_ro(CoordinateSequenceFilter& filter) const override;
 
    void apply_rw(CoordinateSequenceFilter& filter) override;
 
    void apply_rw(const CoordinateFilter* filter) override;
 
    bool equalsExact(const Geometry* other, double tolerance = 0)
    const override;
 
    bool equalsIdentical(const Geometry* other) const override;
 
    std::unique_ptr<Geometry> getBoundary() const override;
 
    const CoordinateXY* getCoordinate() const override;
 
    uint8_t getCoordinateDimension() const override;
 
    virtual const Coordinate& getCoordinateN(std::size_t n) const;
 
    std::unique_ptr<CoordinateSequence> getCoordinates() const override;
 
    const CoordinateSequence* getCoordinatesRO() const;
 
    const SimpleCurve* getCurveN(std::size_t) const override;
 
    virtual std::unique_ptr<Point> getEndPoint() const;
 
    const Envelope* getEnvelopeInternal() const override
    {
        return &envelope;
    }
 
    std::size_t getNumCurves() const override;
 
    std::size_t getNumPoints() const override;
 
    virtual std::unique_ptr<Point> getPointN(std::size_t n) const;
 
    virtual std::unique_ptr<Point> getStartPoint() const;
 
    bool hasM() const override;
 
    bool hasZ() const override;
 
    bool isClosed() const override;
 
    virtual bool isCoordinate(CoordinateXY& pt) const;
 
    virtual bool isCurved() const = 0;
 
    bool isEmpty() const override;
 
    void normalize() override;
 
    std::unique_ptr<CoordinateSequence> releaseCoordinates();
 
protected:
 
    SimpleCurve(const SimpleCurve& other);
 
    SimpleCurve(std::unique_ptr<CoordinateSequence>&& newCoords,
                bool isLinear,
                const GeometryFactory& factory);
 
    int compareToSameClass(const Geometry* ls) const override;
 
    Envelope computeEnvelopeInternal(bool isLinear) const;
 
    // TODO: hold value or shared_ptr instead of unique_ptr?
    std::unique_ptr<CoordinateSequence> points;
    mutable Envelope envelope;
 
 
private:
 
    void normalizeClosed();
};
 
}
}